Function packageCgcBundle

website/src/lib/cgc-exporter.ts:22–104

(
  repoName: string,
  nodes: GraphNode[],
  links: GraphLink[],
  version: string = "1.0.0",
  extraMetadata?: Record<string, any>
)

}

export async function packageCgcBundle(
  repoName: string,
  nodes: GraphNode[],
  links: GraphLink[],
  version: string = "1.0.0",
  extraMetadata?: Record<string, any>
): Promise<Blob> {
  const zip = new JSZip();

  // 1. Format nodes.jsonl
  const nodesJsonl = nodes
    .map(node => {
      const labels = [node.type.toLowerCase()];
      const props = node.properties || {};
      return JSON.stringify({
        _id: Number(node.id) || node.id,
        _labels: labels,
        name: node.name,
        type: node.type,
        file: node.file || "",
        val: node.val || 2,
        ...props
      });
    })
    .join("\n") + "\n";
  zip.file("nodes.jsonl", nodesJsonl);

  // 2. Format edges.jsonl
  const edgesJsonl = links
    .map((link, idx) => {
      const fromId = typeof link.source === "object" ? link.source.id : link.source;
      const toId = typeof link.target === "object" ? link.target.id : link.target;
      return JSON.stringify({
        from: Number(fromId) || fromId,
        to: Number(toId) || toId,
        type: (link.type || "CONTAINS").toLowerCase(),
        id: idx
      });
    })
    .join("\n") + "\n";
  zip.file("edges.jsonl", edgesJsonl);

  // 3. Format metadata.json
  let standardisedName = "";
  if (repoName.includes("/")) {
    const owner = repoName.split('/')[0];
    const repo = repoName.split('/')[1];
    const branch = extraMetadata?.branch || "main";
    const commit = extraMetadata?.commit || extraMetadata?.version || version || "latest";
    const cleanCommit = commit.length === 40 && /^[0-9a-fA-F]+$/.test(commit) ? commit.substring(0, 7) : commit;
    standardisedName = `${owner}__${repo}__${branch}__${cleanCommit}.cgc`;
  } else {
    standardisedName = `${repoName}.cgc`;
  }

  // Extract and clean extraMetadata to prevent contaminating the strict standardized schema
  const cleanExtra = { ...extraMetadata };
  delete cleanExtra.generator;